Text Mining Using Non-Negative Matrix Factorizations. - V. Paul Pauca; Farial Shahnaz; Michael W. Berry; Robert J. Plemmons (SDM, 2004)

Document clustering using nonnegative matrix factorization. - Farial Shahnaz; Michael W. Berry; V. Paul Pauca; Robert J. Plemmons (Inf. Process. Manag., 2006)